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名称
Recombinant CRISPR-Cas9 Antibody
分子类型
抗体
别名
Cas9抗体
英文别名
Cas9 antibody | CRISPR-associated endonuclease Cas9/Csn1 antibody | CRISPR-Cas9/Csn1 antibody | csn1 antibody | SpyCas9 antibody | cas9
物理外观
Liquid
货号
Ab097741-10μl
包装规格
10μl
级别
重组
浓度
见COA
储存温度
-20°C储存,避免反复冻融
运输条件
超低温冰袋运输
稳定性与储存
4℃ 短期储存(1-2 周)。-20℃长期保存(24 个月)。收货后建议分装。避免冷冻/解冻循环。
储存缓冲液
10mM PBS, 150mM NaCl, 50% Glycerol, 0.05% BSA, 0.02% Sodium azide, pH 7.4
防腐剂
0.02% Sodium azide
生化机理
CRISPR(簇状有规律间隔短回文重复序列)是一种适应性免疫系统,可提供针对移动遗传因子(病毒、可转座元件和共轭质粒)的保护。CRISPR 簇包含间隔物、与前遗传因子互补的序列,并以入侵的核酸为目标。CRISPR 簇被转录并加工成 CRISPR RNA(crRNA)。在 II 型 CRISPR 系统中,正确处理前 CRRNA 需要转录编码的小 RNA(tracrRNA)、内源性核糖核酸酶 3(rnc)和这种蛋白质。tracrRNA 是核糖核酸酶 3 辅助处理前-crRNA 的向导;Cas9 只稳定前-crRNA:tracrRNA 的相互作用,在 RNA 处理中没有催化功能。随后,Cas9/crRNA/tracrRNA 内切酶会裂解与间隔互补的线性或环状 dsDNA 靶链;在没有 2 个引导 RNA(gRNA)的情况下,Cas9 没有活性。与 crRNA 不互补的靶链首先被内切,然后被外切 3'-5'。DNA 结合需要蛋白质和两个 gRNA,核酸酶活性也是如此。Cas9 能识别 CRISPR 重复序列中的原位相邻基序(PAM),以帮助区分自体与非自体,因为细菌 CRISPR 基因座内的靶标没有 PAM。DNA 链分离和异源双链形成始于 PAM 位点;催化活性需要识别 PAM。对与适当的 CRISPR spacer 序列同源的质粒产生免疫力(CRISPR 干扰)。
免疫原
Recombinant protein of Streptococcus pyogenes CRISPR-Cas9 (AA 750-970).
宿主种属
兔(Rabbit)
种属反应性
酿脓链球菌(Streptococcus pyogenes)
特异性
CRISPR-Cas9
阳性对照
WB: 293T lysates transfected with CRISPR-Cas9. IF/ICC: 293T cells transfected with CRISPR-SpCas9.
SDS-PAGE
150 kDa
偶联
Unconjugated
亚型
Rabbit IgG
克隆类型
重组抗体
轻链亚型
kappa
纯化方法
Protein A purified
Format
Whole IgG
Safety
「No Dangerous Attributes」
Related
「No upstream and downstream information yet」
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「No technical documents」
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Research chemical 10μl

Research chemical 10μl; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 10μl.

item number:Ab097741-10μl
Product model:10μl
level: 10μl
Lead Time:30days
sold 779 Items
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